The Firefox cache temporarily stores images, scripts, and other parts of websites you visit in order to speed up your browsing experience. This article describes how to clear the cache.

• To clear your history (cookies, browsing history, cache, etc.) all at once, see Delete browsing, search and download history on Firefox.

Clear the cache

1. In the Menu bar at the top of the screen, click Firefox and select Settings (or Preferences, in some cases).Click the menu button and select Settings.
2. Select the Privacy & Security panel.
3. In the Cookies and Site Data section, click Clear Data…Clear browsing data.
   • The Clear browsing data and cookies dialog will open.

   

4. On the dropdown next to When:, choose Everything. Make sure that onlyTemporary cached files and pagesis check marked.
   • For more information about managing site data, see Manage local site storage settings.
5. Click the Clear button.
6. Close the Settings page. Any changes you've made will automatically be saved.

Automatically clear the cache

You can set Firefox to automatically clear the cache when Firefox closes:

1. In the Menu bar at the top of the screen, click Firefox and select Settings (or Preferences, in some cases).Click the menu button and select Settings.
2. Select the Privacy & Security panel and go to the History section.
3. In the drop-down menu next to Firefox will, choose Use custom settings for history.

   

4. Select the check box for Clear history when Firefox closes.
5. Click the Settings… button. The Settings for Clearing HistoryClear browsing data and cookies dialog will open.

   

6. Put a check mark next to Temporary cached files and pages and make sure other items you want to keep are not selected.
   • For more information about other settings, see Delete browsing, search and download history on Firefox.
7. Click Save Changes to close the Clear browsing data and cookies dialog.
8. Close the Settings page. Any changes you've made will automatically be saved.